package com.zgyd.memory;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.zgyd.Mapper.ConversationMapper;
import com.zgyd.domin.Conversation;
import org.springframework.ai.chat.memory.ChatMemory;
import org.springframework.ai.chat.messages.AssistantMessage;
import org.springframework.ai.chat.messages.Message;
import org.springframework.ai.chat.messages.MessageType;
import org.springframework.ai.chat.messages.UserMessage;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.time.LocalDateTime;
import java.util.List;

@Component
public class MySqlChatMemory implements ChatMemory {
    @Autowired
    private ConversationMapper conversationMapper;
    @Override
    public void add(String conversationId, List<Message> messages) {
        for (Message message : messages) {
            Conversation conversation = Conversation.builder()
                    .conversationId(conversationId)
                    .type(message.getMessageType().getValue())
                    .message(message.getText())
                    .createTime(LocalDateTime.now())
                    .build();
            conversationMapper.insert(conversation);
        }
    }

    @Override
    public List<Message> get(String conversationId) {
        List<Conversation> conversations = conversationMapper.selectList(new LambdaQueryWrapper<Conversation>().eq(Conversation::getConversationId, conversationId));
        return conversations.stream().map(r->{
            Message message = null;
            if(MessageType.ASSISTANT.getValue().equals(r.getType())){
                message = new AssistantMessage(r.getMessage());
            }else if(MessageType.USER.getValue().equals(r.getType())){
                message = new UserMessage(r.getMessage());
            }
            return message;
        }).toList();
    }

    @Override
    public void clear(String conversationId) {
        conversationMapper.delete(new LambdaQueryWrapper<Conversation>().eq(Conversation::getConversationId,conversationId));
    }
}